I worked with Lewis Hamilton at McLaren for five seasons (2008-12) and with Fernando Alonso at the same team for two and a half (2015-July 2017). But, although they are both nervily brilliant multiple world champions, magnificent on track and fascinating off it, those two collaborations were very different.
When I started work with Hamilton, in early January 2008, he was just about to turn 23. He had won four grands prix for McLaren the year before, and had missed the drivers’ championship by a single point, but, even so, his mood